42018148 has 24 divisors (see below), whose sum is σ = 78039360. Its totient is φ = 19752480.

The previous prime is 42018131. The next prime is 42018157. The reversal of 42018148 is 84181024.

It is a super-2 number, since 2×42018148² = 3531049522699808, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1558 + ... + 9298.

It is an arithmetic number, because the mean of its divisors is an integer number (3251640).

Almost surely, 2^42018148 is an apocalyptic number.

It is an amenable number.

42018148 is a deficient number, since it is larger than the sum of its proper divisors (36021212).

42018148 is a wasteful number, since it uses less digits than its factorization.

42018148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7827 (or 7825 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 28.

The square root of 42018148 is about 6482.1406957887. The cubic root of 42018148 is about 347.6527230980.

The spelling of 42018148 in words is "forty-two million, eighteen thousand, one hundred forty-eight".